org.ow2.play.governance.storage.MongoPatternRegistry.java Source code

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Here is the source code for org.ow2.play.governance.storage.MongoPatternRegistry.java

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/**
 *
 * Copyright (c) 2012, PetalsLink
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
 *
 */
package org.ow2.play.governance.storage;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.jws.WebMethod;

import org.ow2.petals.nosql.mongo.AbstractMongoService;
import org.ow2.petals.nosql.mongo.MongoHelper;
import org.ow2.play.governance.api.GovernanceExeption;
import org.ow2.play.governance.api.PatternRegistry;
import org.ow2.play.governance.api.bean.Pattern;

import com.mongodb.BasicDBObject;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;

/**
 * @author chamerling
 * 
 */
public class MongoPatternRegistry extends AbstractMongoService implements PatternRegistry {

    private static final Logger logger = Logger.getLogger(MongoPatternRegistry.class.getName());

    public MongoPatternRegistry() {
        super();
        setCollectionName("patterns");
        setDatabaseName("play");
    }

    /**
     * Called by spring at startup
     */
    @WebMethod(exclude = true)
    public void init() {
        initializeMongo();
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.ow2.play.governance.api.PatternRegistry#put(org.ow2.play.governance
     * .api.bean.Pattern)
     */
    @Override
    public void put(Pattern pattern) throws GovernanceExeption {
        if (pattern == null) {
            throw new GovernanceExeption("Null pattern can not be added");
        }

        if (pattern.recordDate == null) {
            pattern.recordDate = System.currentTimeMillis() + "";
        }
        DBObject dbo = Helper.toDBO(pattern);
        if (logger.isLoggable(Level.FINE)) {
            logger.fine("Adding pattern object to collection : " + dbo);
        }
        getDbCollection().insert(dbo);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.ow2.play.governance.api.PatternRegistry#delete(java.util.List)
     */
    @Override
    public void delete(List<String> ids) throws GovernanceExeption {
        throw new GovernanceExeption("Not implemented");
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.ow2.play.governance.api.PatternRegistry#clear()
     */
    @Override
    public void clear() throws GovernanceExeption {
        logger.info("Removing all the patterns");
        MongoHelper.clearCollection(getDbCollection());
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.ow2.play.governance.api.PatternRegistry#get(java.lang.String)
     */
    @Override
    public Pattern get(String id) throws GovernanceExeption {
        Pattern p = null;
        DBObject query = new BasicDBObject();
        query.put(Helper.ID_KEY, id);
        DBObject result = getCollection().findOne(query);

        if (result != null) {
            p = Helper.toPattern(result);
        }
        return p;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.ow2.play.governance.api.PatternRegistry#list(java.lang.String)
     */
    @Override
    public List<Pattern> all() throws GovernanceExeption {
        List<Pattern> result = new ArrayList<Pattern>();

        DBCursor cursor = getDbCollection().find();
        Iterator<DBObject> iter = cursor.iterator();
        while (iter.hasNext()) {
            DBObject dbo = iter.next();
            if (logger.isLoggable(Level.FINE)) {
                logger.fine("Extracting Pattern : " + dbo);
            }

            Pattern s = Helper.toPattern(dbo);
            if (s != null) {
                result.add(s);
            }
        }
        return result;
    }

}